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iwd/autotests/testBSSBlacklist/connection_test.py
2021-10-20 16:44:28 -05:00

315 lines
9.5 KiB
Python

#!/usr/bin/python3
import unittest
import sys
sys.path.append('../util')
import iwd
from iwd import IWD
from iwd import PSKAgent
from iwd import NetworkType
from iwd import IWD_CONFIG_DIR
from hostapd import HostapdCLI
from hwsim import Hwsim
import time
class Test(unittest.TestCase):
def test_temp_blacklist(self):
rule0 = self.rule0
rule1 = self.rule1
rule2 = self.rule2
bss_hostapd = self.bss_hostapd
wd = self.wd
rule0.signal = -8000
rule1.signal = -7000
rule2.signal = -2000
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
dev1, dev2 = wd.list_devices(2)
ordered_network = dev1.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(dev1, condition)
self.assertIn(dev1.address, bss_hostapd[2].list_sta())
# dev1 now connected, this should max out the first AP, causing the next
# connection to fail to this AP.
ordered_network = dev2.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(dev2, condition)
# We should have temporarily blacklisted the first BSS, and connected
# to this one.
self.assertIn(dev2.address, bss_hostapd[1].list_sta())
# Now check that the first BSS is still not blacklisted. We can
# disconnect dev1, opening up the AP for more connections
dev1.disconnect()
dev2.disconnect()
ordered_network = dev2.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(dev2, condition)
self.assertIn(dev2.address, bss_hostapd[2].list_sta())
wd.unregister_psk_agent(psk_agent)
def test_all_blacklisted(self):
wd = self.wd
bss_hostapd = self.bss_hostapd
rule0 = self.rule0
rule1 = self.rule1
rule2 = self.rule2
psk_agent = PSKAgent(["secret123", 'secret123'])
wd.register_psk_agent(psk_agent)
devices = wd.list_devices(1)
device = devices[0]
ordered_network = device.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
# Have both APs drop all packets, both should get blacklisted
rule0.drop = True
rule0.enable = True
rule1.drop = True
rule1.enable = True
rule2.drop = True
rule2.enable = True
with self.assertRaises(iwd.FailedEx):
ordered_network.network_object.connect()
rule0.drop = False
rule1.drop = False
rule2.drop = False
# Wait for scanning (likely a quick-scan) to finish, otherwise we will
# may not have all BSS's in the list.
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
# This connect should work
ordered_network.network_object.connect()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
self.assertIn(device.address, bss_hostapd[0].list_sta())
wd.unregister_psk_agent(psk_agent)
def test_invalid_password(self):
wd = self.wd
bss_hostapd = self.bss_hostapd
psk_agent = PSKAgent("wrong_password")
wd.register_psk_agent(psk_agent)
devices = wd.list_devices(1)
device = devices[0]
ordered_network = device.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
with self.assertRaises(iwd.FailedEx):
ordered_network.network_object.connect()
wd.unregister_psk_agent(psk_agent)
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
ordered_network.network_object.connect()
# We failed to connect bss_hostapd[0], but with a bad password. Verify
# that this did not trigger a blacklist and that we did reconnect
# successfully to bss_hostapd[0]
self.assertIn(device.address, bss_hostapd[0].list_sta())
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
wd.unregister_psk_agent(psk_agent)
def test_connection_success(self):
wd = self.wd
bss_hostapd = self.bss_hostapd
rule0 = self.rule0
psk_agent = PSKAgent("secret123")
wd.register_psk_agent(psk_agent)
devices = wd.list_devices(2)
device = devices[0]
devices[1].disconnect()
ordered_network = device.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
rule0.drop = True
ordered_network.network_object.connect(wait=False)
# Have AP1 drop all packets, should result in a connection timeout
rule0.drop = True
# Note the time so later we don't sleep any longer than required
start = time.time()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
# IWD should have attempted to connect to bss_hostapd[0], since its
# signal strength was highest. But since we dropped all packets this
# connect should fail, and the BSS should be blacklisted. Then we
# should automatically try the next BSS in the list, which is
# bss_hostapd[1]
self.assertNotIn(device.address, bss_hostapd[0].list_sta())
self.assertIn(device.address, bss_hostapd[1].list_sta())
rule0.drop = False
device.disconnect()
device.autoconnect = True
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
# Now we wait... AutoConnect should take over
condition = 'obj.state == DeviceState.connecting'
wd.wait_for_object_condition(device, condition)
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
# Same as before, make sure we didn't connect to the blacklisted AP.
self.assertNotIn(device.address, bss_hostapd[0].list_sta())
self.assertIn(device.address, bss_hostapd[1].list_sta())
# Wait for the blacklist to expire (10 seconds)
elapsed = time.time() - start
if elapsed < 15:
wd.wait(15 - elapsed)
device.disconnect()
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
device.scan()
condition = 'not obj.scanning'
wd.wait_for_object_condition(device, condition)
ordered_network = device.get_ordered_network("TestBlacklist")
self.assertEqual(ordered_network.type, NetworkType.psk)
condition = 'not obj.connected'
wd.wait_for_object_condition(ordered_network.network_object, condition)
ordered_network.network_object.connect()
condition = 'obj.state == DeviceState.connected'
wd.wait_for_object_condition(device, condition)
self.assertIn(device.address, bss_hostapd[0].list_sta())
self.wd.unregister_psk_agent(psk_agent)
def setUp(self):
self.wd = IWD(True)
def tearDown(self):
IWD.clear_storage()
self.wd = None
@classmethod
def setUpClass(cls):
cls.hwsim = Hwsim()
cls.bss_hostapd = [ HostapdCLI(config='ssid1.conf'),
HostapdCLI(config='ssid2.conf'),
HostapdCLI(config='ssid3.conf') ]
cls.bss_radio = [ cls.hwsim.get_radio('rad0'),
cls.hwsim.get_radio('rad1'),
cls.hwsim.get_radio('rad2') ]
cls.rule0 = cls.hwsim.rules.create()
cls.rule0.source = cls.bss_radio[0].addresses[0]
cls.rule0.bidirectional = True
cls.rule0.signal = -2000
cls.rule0.enabled = True
cls.rule1 = cls.hwsim.rules.create()
cls.rule1.source = cls.bss_radio[1].addresses[0]
cls.rule1.bidirectional = True
cls.rule1.signal = -7000
cls.rule1.enabled = True
cls.rule2 = cls.hwsim.rules.create()
cls.rule2.source = cls.bss_radio[2].addresses[0]
cls.rule2.bidirectional = True
cls.rule2.signal = -8000
cls.rule2.enabled = True
@classmethod
def tearDownClass(cls):
IWD.clear_storage()
cls.hwsim.rules.remove_all()
if __name__ == '__main__':
unittest.main(exit=True)